Year Month Day AAO index 2004 AUG 1 1.247 2004 AUG 2 1.228 2004 AUG 3 1.161 2004 AUG 4 0.903 2004 AUG 5 0.396 2004 AUG 6 0.139 2004 AUG 7 -0.018 2004 AUG 8 -0.354 2004 AUG 9 -0.260 2004 AUG 10 -0.362 2004 AUG 11 -0.702 2004 AUG 12 -1.054 2004 AUG 13 -0.717 2004 AUG 14 -0.392 2004 AUG 15 0.013 2004 AUG 16 0.366 2004 AUG 17 0.362 2004 AUG 18 0.594 2004 AUG 19 0.510 2004 AUG 20 0.352 2004 AUG 21 -0.131 2004 AUG 22 -1.390 2004 AUG 23 -1.641 2004 AUG 24 -1.489 2004 AUG 25 -1.444 2004 AUG 26 -1.369 2004 AUG 27 -1.012 2004 AUG 28 -0.116 2004 AUG 29 0.984 2004 AUG 30 1.238 2004 AUG 31 0.752 2004 SEP 1 0.493 2004 SEP 2 0.357 2004 SEP 3 0.260 2004 SEP 4 0.199 2004 SEP 5 0.307 2004 SEP 6 0.287 2004 SEP 7 0.467 2004 SEP 8 1.044 2004 SEP 9 2.043 2004 SEP 10 3.013 2004 SEP 11 3.551 2004 SEP 12 3.444 2004 SEP 13 2.761 2004 SEP 14 2.200 2004 SEP 15 1.310 2004 SEP 16 -0.255 2004 SEP 17 -0.802 2004 SEP 18 -1.032 2004 SEP 19 -1.072 2004 SEP 20 -1.155 2004 SEP 21 -1.267 2004 SEP 22 -1.375 2004 SEP 23 -1.601 2004 SEP 24 -1.286 2004 SEP 25 -0.909 2004 SEP 26 -0.873 2004 SEP 27 -0.785 2004 SEP 28 -0.847 2004 SEP 29 -0.679 2004 SEP 30 -0.539 2004 OCT 1 -0.652 2004 OCT 2 -0.729 2004 OCT 3 -0.442 2004 OCT 4 -0.382 2004 OCT 5 -0.543 2004 OCT 6 -0.220 2004 OCT 7 0.054 2004 OCT 8 -0.264 2004 OCT 9 -0.882 2004 OCT 10 -1.381 2004 OCT 11 -1.394 2004 OCT 12 -1.084 2004 OCT 13 -0.726 2004 OCT 14 -0.645 2004 OCT 15 -0.508 2004 OCT 16 -0.391 2004 OCT 17 0.409 2004 OCT 18 1.112 2004 OCT 19 1.449 2004 OCT 20 1.376 2004 OCT 21 1.209 2004 OCT 22 1.067 2004 OCT 23 1.042 2004 OCT 24 0.926 2004 OCT 25 0.584 2004 OCT 26 0.444 2004 OCT 27 0.108 2004 OCT 28 -0.089 2004 OCT 29 -0.341 2004 OCT 30 -0.417 2004 OCT 31 -0.040 2004 NOV 1 1.011 2004 NOV 2 1.412 2004 NOV 3 1.547 2004 NOV 4 1.465 2004 NOV 5 1.406 2004 NOV 6 1.451 2004 NOV 7 1.330 2004 NOV 8 1.330 2004 NOV 9 1.006 2004 NOV 10 0.259 2004 NOV 11 -0.265 2004 NOV 12 -0.604 2004 NOV 13 -0.455 2004 NOV 14 -0.429 2004 NOV 15 -0.601 2004 NOV 16 -0.892 2004 NOV 17 -1.048 2004 NOV 18 -0.640 2004 NOV 19 0.076 2004 NOV 20 0.708 2004 NOV 21 0.773 2004 NOV 22 0.436 2004 NOV 23 -0.183 2004 NOV 24 -0.830 2004 NOV 25 -1.964 2004 NOV 26 -2.475 2004 NOV 27 -2.708 2004 NOV 28 -2.793 2004 NOV 29 -2.798 2004 NOV 30 -2.606